T&L Publications

I have bought toggle switches at Radio Shack rated for over 20 amps DC.

Gadgeteer, you are quite a bit off in your statements, especially on NiCads. Don't take my word for it, consult the experts such as one of the manufactureres or rcbatteryclinic.com. Nicads are not hurt by discharging to zero (reverse charge may damage them and that will happen if you try to discharg...

You do not say what type of battery. If it is a Gell Cell, requirements are quite different from NiCads. Go to rcbatteryclinic.com for some very good info on all types of batteries, their care and feeding etc.

I am considering getting the necessary equipment to experiment with either the STAMP or PIC Microprocessors. I am having some problem trying to determine the minimum list of equipment required to do this, i.e. programmers, assemblers, breadbords etc. Is there a packaged setup where no necessary add ...

Regardless of what type element you use to heat things, you might think about using a 555 timer set up to give an adjustable pulse width where the heating element receives full power for a few microseconds, is off for several more, then on again. This will be less wasteful of power and should be eas...